msm: irq: Allow 8974 and 8092 IRQ definitions to coexist

Refactor irqs.h to allow irqs-8974.h and irqs-8092.h to be
included together in preparation for single-binary support
for these targets.

Change-Id: Iace2ddf9716fdecb6e0ccb965db305b3e78ee200
Signed-off-by: Stepan Moskovchenko <stepanm@codeaurora.org>
1 file changed